I've experienced failure when try to sync the ZDesktop for a week by now. I can access normally by the Zwebmail.

invalid request: missing required attribute: n Exceção:com.zimbra.common.service.ServiceException: invalid request: missing required attribute: nExceptionId:sync-mbox-ivo.pessanha@cprm.gov.br:1507025865630:f35c949d4911a498Code:service.INVALID_REQUEST at com.zimbra.common.service.ServiceException.INVALID_REQUEST(ServiceException.java:261) at com.zimbra.common.soap.Element.checkNull(Element.java:301) at com.zimbra.common.soap.Element.getAttribute(Element.java:238) at com.zimbra.cs.offline.util.ExtractData.getAttributefromChildren(ExtractData.java:30) at com.zimbra.cs.mailbox.InitialSync.syncContact(InitialSync.java:919) at com.zimbra.cs.mailbox.InitialSync.syncContacts(InitialSync.java:999) at com.zimbra.cs.mailbox.InitialSync.initialFolderSync(InitialSync.java:290) at com.zimbra.cs.mailbox.InitialSync.prioritySync(InitialSync.java:380) at com.zimbra.cs.mailbox.InitialSync.initialFolderSync(InitialSync.java:310) at com.zimbra.cs.mailbox.InitialSync.initialFolderSync(InitialSync.java:319) at com.zimbra.cs.mailbox.InitialSync.resume(InitialSync.java:227) at com.zimbra.cs.mailbox.InitialSync.resume(InitialSync.java:211) at com.zimbra.cs.mailbox.MailboxSync.sync(MailboxSync.java:190) at com.zimbra.cs.mailbox.ZcsMailbox.sync(ZcsMailbox.java:125) at com.zimbra.cs.mailbox.ZcsMailbox.syncOnTimer(ZcsMailbox.java:106) at com.zimbra.cs.mailbox.SyncMailbox$1.run(SyncMailbox.java:279) at java.util.TimerThread.mainLoop(Unknown Source) at java.util.TimerThread.run(Unknown Source)